Enable iter test (#4542)

automerge

ci/test-stable.sh

@@ -19,6 +19,9 @@ source scripts/ulimit-n.sh
 # Clear cached json keypair files
 rm -rf "$HOME/.config/solana"
 
+# Clear the BPF sysroot files, they are not automatically rebuilt
+rm -rf target/xargo # Issue #3105
+
 # Run tbe appropriate test based on entrypoint
 testName=$(basename "$0" .sh)
 case $testName in